The latest info on S7 Airlines mobile apps
S7 Airlines provides an iOS app that is compatible with iPhone, iPod, and iPad.
For S7 Airlines S7 Priority members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
The Android apps from S7 Airlines work with all Android phones and tablets from various manufacturers (Samsung, LG, Google, etc.), and Android Wear watches might also be compatible. You can get the same stuff done on the Android app as you can on the iOS app for S7 Airlines.
Also take a look at S7 Airlines's website by clicking here — you should be able to do what you need there.